<html>
<head>
<title></title>
<script type="text/javascript">
function toggle(b) {		
	var adv = document.getElementById("it_guru");
	var ns = 'none';
	if (b) {
			ns= "table-row";
	}
	adv.style.display = ns;
}
function boom()
{
  toggle(true);
  document.documentElement.offsetHeight;
  toggle(false);
  document.documentElement.offsetHeight;
  toggle(true);
  document.documentElement.offsetHeight;
  toggle(false);
  document.documentElement.offsetHeight;
}
</script></head><body onload="boom();">
<form action="http://localhost/">
<table>
<tbody>
<tr>
<td>Without the &lt;tbody&gt; tags Mozilla doesn't crash
		</td>
</tr>
</tbody>
<tr id="it_guru">
<td>I disappear
		</td>
</tr>
<tr>
<td>Without this row Mozilla doesn't crash
		</td>
</tr>
</table>
</form>
</body>
</html>

